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NDA-24300 CHAPTER 3
Page 185
Issue 1
SYSTEM MESSAGES
➂
Virtual Tie Line Call Header
Accommodated Location
➃
Fault Cause
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
CLASS
REASON
KIND
VALUE
DATA REASON KIND
Reason Kind
Class Value
XX
8765
4321(bit)
-000
xxxx
-001
Normal Event Class
000
000
000
000
000
001
001
001
001
001
001
001
001
001
001
001
001
0001
0010
0011
0110
0111
0000
0001
0010
0011
0101
0110
1010
1011
1100
1101
1110
1111
1
2
3
6
7
16
17
18
19
21
22
26
27
28
29
30
31
Dead Number
No route to the designated transit network
No route to the opposite Party
Use of channel not allowed
Call terminated to a setup channel
Normal disconnection
Called user busy
No response from called user
Called party being rung/no answer
Communication denied
Opposite party’s terminal number changed
Disconnection and release of the user not selected
Opposite party’s terminal out of order
Invalid number format (Incomplete Number)
Facility denied
Answer to status inquiry
Other normal class
b3-b7: Call Source
b4-b7: “8” is always indicated.
DATA CALL SOURCE
0User
1 Private network to which the user is directly connected.
(Self side)
2 National network to which the user is directly connected.
(Self side)
3 Tie-Line Network
4 National network to which the opposite party is directly
connected. (Opposite party’s side)
5 Private network to which the opposite party is directly
connected. (Opposite party’s side)
7 International Network
A Network from Interworking
Other Spare
b0-b3: Reason Kind
b4-b6: Class
0=No Answer
Other than 0=Refer to the following table